LIRR BLOCK OPERATOR QUESTIONS AND
ANSWERS GRADED FINAL SCRIPT 2026
FULL SOLUTIONS AND CORRECT ANSWERS
GRADED A+
⩥ Working Limits. Answer: A segment of track with definite boundaries
upon which trains may move only as authorized by the roadway worker
in charge of that segment of track.
⩥ Limited Speed. Answer: A speed not exceeding 45 mph.
⩥ Maximum Authorized Speed (MAS). Answer: The highest speed that
is permitted over a specific portion of the railroad, it may be authorized
by the special instructions of the current timetable, rules of the operating
department or any other publication authorized by the general
superintendent - transportation
⩥ Medium Speed. Answer: A speed not exceeding 30 mph, except in
ASC territory, train will be governed by speed displayed on the cab
signal indicator not to exceed 40 mph.
⩥ Reduced Speed. Answer: A speed at which a train can be stopped
short of another train or obstruction.
, ⩥ Restricted Speed (RS). Answer: A mode of operation, at which a train
can be stopped within one half the range of vision, short of the next
signal, another train, obstruction, derail, or switch improperly lined,
looking out for broken rail or crossing protection not functioning, not
exceeding 15 miles per hour.
⩥ Slow Speed. Answer: A speed not exceeding 15 mph, except in ASC
territory, train will be governed by speed displayed on the cab signal
indicator not to exceed 30 mph.
⩥ Automatic Safety Switch. Answer: A switch identified by a yellow
switch stand. Trains may make trailing point moves through the switch
without previously aligning it by hand unless otherwise specified.
⩥ Crossover. Answer: A track connection between two adjacent, not
necessarily parallel tracks, consisting of a minimum of two switches,
which is intended to be used primarily for the purpose of crossing over
from one track to another.
⩥ Derail. Answer: A track safety device, fixed or portable, designed to
guide a car off the rails at a selected location on a track as a means of
protection against collisions or other accidents.
⩥ Dual Control Switch. Answer: A power-operated switch also equipped
for hand operation.
ANSWERS GRADED FINAL SCRIPT 2026
FULL SOLUTIONS AND CORRECT ANSWERS
GRADED A+
⩥ Working Limits. Answer: A segment of track with definite boundaries
upon which trains may move only as authorized by the roadway worker
in charge of that segment of track.
⩥ Limited Speed. Answer: A speed not exceeding 45 mph.
⩥ Maximum Authorized Speed (MAS). Answer: The highest speed that
is permitted over a specific portion of the railroad, it may be authorized
by the special instructions of the current timetable, rules of the operating
department or any other publication authorized by the general
superintendent - transportation
⩥ Medium Speed. Answer: A speed not exceeding 30 mph, except in
ASC territory, train will be governed by speed displayed on the cab
signal indicator not to exceed 40 mph.
⩥ Reduced Speed. Answer: A speed at which a train can be stopped
short of another train or obstruction.
, ⩥ Restricted Speed (RS). Answer: A mode of operation, at which a train
can be stopped within one half the range of vision, short of the next
signal, another train, obstruction, derail, or switch improperly lined,
looking out for broken rail or crossing protection not functioning, not
exceeding 15 miles per hour.
⩥ Slow Speed. Answer: A speed not exceeding 15 mph, except in ASC
territory, train will be governed by speed displayed on the cab signal
indicator not to exceed 30 mph.
⩥ Automatic Safety Switch. Answer: A switch identified by a yellow
switch stand. Trains may make trailing point moves through the switch
without previously aligning it by hand unless otherwise specified.
⩥ Crossover. Answer: A track connection between two adjacent, not
necessarily parallel tracks, consisting of a minimum of two switches,
which is intended to be used primarily for the purpose of crossing over
from one track to another.
⩥ Derail. Answer: A track safety device, fixed or portable, designed to
guide a car off the rails at a selected location on a track as a means of
protection against collisions or other accidents.
⩥ Dual Control Switch. Answer: A power-operated switch also equipped
for hand operation.
